Apply PR feedback

(cherry picked from commit 0f9b693)

Author: ansd

deps/rabbit/test/amqp_client_SUITE.erl

@@ -356,14 +356,9 @@ init_per_testcase(Testcase, Config) ->
     rabbit_ct_helpers:testcase_started(Config, Testcase).
 
 end_per_testcase(Testcase, Config) ->
-    %% Assert that every testcase cleaned up.
-    rabbit_ct_broker_helpers:rpc(Config, 0, ?MODULE, delete_queues, []),
-    eventually(?_assertEqual([], rpc(Config, rabbit_amqqueue, list, []))),
-    %% Terminate all connections and wait for sessions to terminate before
-    %% starting the next test case.
-    _ = rabbit_ct_broker_helpers:rpc(
-          Config, 0,
-          rabbit_networking, close_all_connections, [<<"test finished">>]),
+    %% Clean up any queues, connections, and sessions.
+    rpc(Config, ?MODULE, delete_queues, []),
+    ok = rpc(Config, rabbit_networking, close_all_connections, [<<"test finished">>]),
     eventually(?_assertEqual([], rpc(Config, rabbit_amqp_session, list_local, []))),
     %% Assert that global counters count correctly.
     eventually(?_assertMatch(#{publishers := 0,